xper,xns,xew,xco
0.100000001 , 0.857609391 , 1.05087292 , 892.650024
0.200000003 , 0.335333228 , 0.385837823 , 1031.25000
0.300000012 , 6.32425919E-02 , 7.90496767E-02 , 1031.25000
0.500000000 , 1.66535079E-02 , 2.01847199E-02 , 1031.25000
1.00000000 , 5.26165543E-03 , 5.41009428E-03 , 562.650024
2.00000000 , 2.87686172E-03 , 1.38805760E-03 , 281.325012
3.00000000 , 2.68216361E-03 , 1.22035516E-03 , 187.688004